diff options
| -rw-r--r-- | core/java/android/view/View.java | 15 | ||||
| -rw-r--r-- | core/java/com/android/internal/policy/DecorView.java | 5 |
2 files changed, 18 insertions, 2 deletions
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java index bf6191ec61eb..1275e46ed421 100644 --- a/core/java/android/view/View.java +++ b/core/java/android/view/View.java @@ -967,6 +967,19 @@ public class View implements Drawable.Callback, KeyEvent.Callback, */ static boolean sBrokenInsetsDispatch; + /** + * Prior to Q, calling + * {@link com.android.internal.policy.DecorView#setBackgroundDrawable(Drawable)} + * did not call update the window format so the opacity of the background was not correctly + * applied to the window. Some applications rely on this misbehavior to work properly. + * <p> + * From Q, {@link com.android.internal.policy.DecorView#setBackgroundDrawable(Drawable)} is + * the same as {@link com.android.internal.policy.DecorView#setWindowBackground(Drawable)} + * which updates the window format. + * @hide + */ + protected static boolean sBrokenWindowBackground; + /** @hide */ @IntDef({NOT_FOCUSABLE, FOCUSABLE, FOCUSABLE_AUTO}) @Retention(RetentionPolicy.SOURCE) @@ -5104,6 +5117,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback, sBrokenInsetsDispatch = ViewRootImpl.sNewInsetsMode != NEW_INSETS_MODE_FULL || targetSdkVersion < Build.VERSION_CODES.Q; + sBrokenWindowBackground = targetSdkVersion < Build.VERSION_CODES.Q; + sCompatibilityDone = true; } } diff --git a/core/java/com/android/internal/policy/DecorView.java b/core/java/com/android/internal/policy/DecorView.java index fe66cf9aab7d..7c52a40d4494 100644 --- a/core/java/com/android/internal/policy/DecorView.java +++ b/core/java/com/android/internal/policy/DecorView.java @@ -983,13 +983,14 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind @Override public void setBackgroundDrawable(Drawable background) { - // TODO: This should route through setWindowBackground, but late in the release to make this // change. if (mOriginalBackgroundDrawable != background) { mOriginalBackgroundDrawable = background; updateBackgroundDrawable(); - drawableChanged(); + if (!View.sBrokenWindowBackground) { + drawableChanged(); + } } } |